May 27 2017

Differences between Skype for Business Ring Groups and Call Queues

skype-for-businessSkype for Business Call Queues were announced 3/27/2017 by Microsoft as available for use. Call Queues is a way to setup a callcenter or organize phone support for your customers.

What is Call Queue and what it’s able to do?

  • Often paired with Auto Attendants (also just released), Call Queues can have custom corporate greetings and hold music for inbound calls.
  • They can accept up to 200 calls per instance and queues up calls to be serviced.
  • Have the ability to automatically distribute the waiting calls in First In, First Out (FIFO) manner to the available agents.
  • Currently, the solution allows organizations to designate up to 50 Agents in the Call Queue. Maximum Queue size and maximum allowed call wait time are configurable and can setup overflow or timed-out calls to go to another Call Queue, Auto Attendant, Voicemail or Users.

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May 24 2017

RasClient Event ID 20226 – RAS Connection Termination

The user dialed a connection named which has been terminated. The reason code returned on termination is 828The user xxx dialed a connection named yyy which has been terminated. The reason code returned on termination is 828.

I fixed this on client’s side by increasing timeout value before connection should be terminated. Continue reading

Apr 07 2017

Change your Mail Transport Agent (MTA)

A Mail Transfer Agent (MTA) is a software that transfers electronic mail messages from one computer to another using a client server application architecture. An MTA is also called by a few other names such as – a Message Transfer Agent, Mail Relay, and Mail Transport Agent.

Some of the popular MTAs in use are Sendmail, Exim, and Postfix.

Fedora and Red Hat Linux distributions by default ship with Sendmail as their MTA. However, switching to another MTA such as Exim or Postfix is quite easy. Continue reading

Apr 07 2017

Previous hop federated peer did not report diagnostic information

Previous-hop-federated-peer-did-not-report-diagnostic-informationHere you can see the screenshot of Snooper window with Skype for Business client logfile opened.

Previous hop federated peer did not report diagnostic information. This error can have the following symptoms: Continue reading

Mar 22 2017

Outlook 2016: Clear Email Address From Auto-Complete

Outlook will offer to auto complete recipient address if you have ever sent them a letter before. If you want to remove an address from Auto-Complete list or clear Auto-Complete list in Outlook 2016 follow these steps:

Removing an address from your auto-complete list

  1. In Outlook, click the New button to start composing a new email.
  2. In the To: field, start typing an email address.
  3. Using the up and down arrows on your keyboard, select the email address you would like to remove from the suggested contacts list. Press the Delete key on your keyboard or press X sign next to the address.

Outlook-2016-delete-single-email-address-from-AutoComplete Continue reading

Mar 09 2017

Manage updates settings in Windows Server 2016

Since Windows Server 2016 you will not find “Windows Update” section in Control Panel. Instead you can manage or enable/disable updates  in two ways: using sconfig or through Group policy.

Manage Windows Server 2016 updates with sconfig

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Feb 26 2017

Play a video in a Skype for Business meeting

play-video-in-skype-for-business-meetingPlaying a video in a Skype for Business conference might be not so straightforward task. The caveat is that sharing your videoplayer or browser with youtube will not be enough: video will be displayed choppy and participants will hear no audio. This is because the video will be transmitted not as a stream to each participant but as a set of slides and there is no way to transmit audio here.

How to play a video with sound in Skype for Business meeting? Insert the video into PowerPoint file and share PowerPoint in Skype for Business meeting! Here is how: Continue reading

Feb 17 2017

Skype for Business SQL Low RAM condition

skype-for-businessThere may be a situation when Skype for Business front end server despite of having enough memory performs very poorly and you can even see low memory errors in Event Log from SQL. In case the front end is hosted on virtual machine the first thing that has to be checked in such kind of scenario is MS SQL Server memory limits. These limits are set by Skype for Business Deployment Wizard at the moment of database installation and in case the virtual machine has dynamic RAM and amount of actual RAM was not maximum at the moment of deployment SQL Server memory limits could been set incorrectly. Continue reading

Feb 10 2017

Skype for Business, Asterisk and SIP REFER

Skype-For-Business-Asterisk-SIP-ReferIf you don’t use VoIP gateway that “officially” supported by Microsoft and Skype for Business you may experience troubles in some cases as those devices may not interpret correctly SIP Refer messages sent by Skype for Business Mediation Server. The problem I’ve experienced in my environment was that when you activate “Call me at” feature in Skype for Business mobile client calls were immediately dropped after you had picked up your phone. I’ve used Asterisk as VoIP gateway and Skype for Business uses it for all calls to PSTN and cell carriers. Continue reading

Feb 06 2017

Configure logrotate for Asterisk logfiles on CentOS

Asterisk PBXlogrotate is an utility specially designed for ease rotation of large numbers of log files. It allows automatic rotation, compression, removal, and mailing of log files. Each log file may be handled daily, weekly, monthly, or when it grows too large.

Normally, logrotate is run as a daily cron job. By default it lacks the configuration file for Asterisk logfiles. Here I’ll suggest an example but you may customize it based on your needs.

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